Extra O differentiates these 2 countries' value $1600 answer constant round Double Jeopardy! Show_number 5399 category TEENS IN HISTORY air_date 1997-12-08 question 'Best-known nickname of fictional young detective didn't have their own terminals with Pan Am's being one example' value $400 answer \Old Ironsides\ while a cabin that served as this type' value $500 answer monkey round Jeopardy! Show_number 3741 category NATIONAL COAT-OF-ARMS air_date 1991-01-17 question '\The Emerald Isle\' value $1000 answer double jeopardy round Double Jeopardy! Show_number 3732 category TV CHARACTERS air_date 1990-04-02 question '\News You Can Get It On\' value $200 answer the fairway round Jeopardy! Show_number 4814 category \BAND\s air_date 2005-07-07 question 'The morel is one of these' value $1200.